What about
4. A collection of shadows, mistakes, pilot fatigue, and instrument malfunction?
4. A collection of shadows, mistakes, pilot fatigue, and instrument malfunction?
> “We are not talking about prosaic origins or identities,” Grusch said. “The material includes intact and partially intact vehicles.”
There is a difference between claiming to have seen the modern equivalent of the Loch Ness monster and saying "they have its body in a hangar".